//! qmt connector 数据源连接器
//! 
//! 提供对QMT数据源的访问功能

use crate::objects::{RawBar, Freq};
use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use anyhow::Result;

/// QMT连接器配置
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct QmtConnectorConfig {
    /// API URL
    pub url: String,
    /// 用户名
    pub username: String,
    /// 密码
    pub password: String,
    /// 请求超时时间（秒）
    pub timeout: u64,
    /// 重试次数
    pub retry_count: u32,
}

impl Default for QmtConnectorConfig {
    fn default() -> Self {
        Self {
            url: "https://api.qmt.com".to_string(),
            username: String::new(),
            password: String::new(),
            timeout: 30,
            retry_count: 3,
        }
    }
}

/// QMT连接器
pub struct QmtConnector {
    config: QmtConnectorConfig,
    client: Option<reqwest::Client>,
}

impl QmtConnector {
    /// 创建新的QMT连接器
    pub fn new(config: QmtConnectorConfig) -> Result<Self> {
        let client = reqwest::Client::builder()
            .timeout(std::time::Duration::from_secs(config.timeout))
            .build()?;

        Ok(Self {
            config,
            client: Some(client),
        })
    }

    /// 获取K线数据
    pub async fn get_bars(
        &self,
        symbol: &str,
        freq: Freq,
        start_date: &str,
        end_date: &str,
    ) -> Result<Vec<RawBar>> {
        todo!("实现获取K线数据功能")
    }

    /// 获取实时数据
    pub async fn get_realtime_data(&self, symbol: &str) -> Result<HashMap<String, serde_json::Value>> {
        todo!("实现获取实时数据功能")
    }

    /// 获取基本面数据
    pub async fn get_financial_data(&self, symbol: &str, fields: &[&str]) -> Result<Vec<HashMap<String, serde_json::Value>>> {
        todo!("实现获取基本面数据功能")
    }

    /// 获取研报数据
    pub async fn get_research_data(&self, symbol: &str, start_date: &str, end_date: &str) -> Result<Vec<HashMap<String, serde_json::Value>>> {
        todo!("实现获取研报数据功能")
    }

    /// 获取研报列表
    pub async fn get_research_reports(&self, start_date: &str, end_date: &str) -> Result<Vec<HashMap<String, serde_json::Value>>> {
        todo!("实现获取研报列表功能")
    }

    /// 设置用户名和密码
    pub fn set_credentials(&mut self, username: &str, password: &str) {
        self.config.username = username.to_string();
        self.config.password = password.to_string();
    }

    /// 获取配置
    pub fn get_config(&self) -> &QmtConnectorConfig {
        &self.config
    }
}

impl Default for QmtConnector {
    fn default() -> Self {
        Self {
            config: QmtConnectorConfig::default(),
            client: None,
        }
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_qmt_connector_config_default() {
        let config = QmtConnectorConfig::default();
        assert_eq!(config.url, "https://api.qmt.com");
        assert_eq!(config.timeout, 30);
        assert_eq!(config.retry_count, 3);
    }

    #[test]
    fn test_qmt_connector_default() {
        let connector = QmtConnector::default();
        assert_eq!(connector.config.url, "https://api.qmt.com");
    }
} 